* {
    margin: 0;
    padding: 0;
}
                            /* 公用 */
a {
    text-decoration: none;
    color: #333;
}
li {
    list-style: none;
}
.clear::after {
    display: block;
    content: ".";
    height: 0;
    visibility: hidden;
    clear: both;
    font-size: 0;
    line-height: 0;
}
.relative {
    position: relative;
}
.block {
    display: block;
}

                            /* 框架 */
.every {
    width: 100%;
}
header {
    height: 209px;
}
.header_top {
    height: 31px;
    line-height: 31px;
    font-size: 12px;
    background-color: rgb(244, 244, 244);
}
.header_mid {
    height: 140px;
}
.header_down {
    height: 38px;
}
nav {
    height: 1435px;
    background-color: rgb(245, 245, 245);
}
.nav_top {
    height: 440px;
    position: relative;
}
.nav_mid {
    height: 574px;
}
.nav_down {
    height: 421px;
    background-color: rgb(255, 255, 255);
    position: relative;
}
article {
    height: 693px;
        background-color: rgb(245, 245, 245);
}
.article_top {
    height: 131px;
}
.article_mid {
    height: 472px;
    background-color: rgb(245, 245, 245);
}
.article_down {
    height: 90px;
}
section{
    height: 319px;
}
.section_top {
    height: 127px;
}
.section_down {
    height: 192px;
}
aside {
    height: 205px;
    margin-left: 540px;
    position: absolute;
    left: 49.7%;
    top: 257.4%;
    text-align: center;
    background-color: rgb(255, 255, 255);
}
.aside_top {
    width: 100px;
    height: 106px;
}
.aside_mid {
    width: 100px;
    height: 69px;
}
.aside_down {
    width: 100px;
    height: 30px;
}
footer {
    height: 85px;
    background-color: rgb(255, 255, 255);
}
.footer_top {
    height: 12px;
}
.footer_mid {
    height: 12px;
}
.footer_down {
    height: 61px;
}
.inner {
    width: 1070px;
    margin: 0 auto;
}
a {
    text-decoration: none;
    color: #333;
}
li {
    list-style: none;
}
.clear::after {
    display: block;
    content: ".";
    height: 0;
    visibility: hidden;
    clear: both;
    font-size: 0;
    line-height: 0;
}
.relative {
    position: relative;
}
.block {
    display: block;
}